Can someone please help y=___x+_

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y=4x+(-9)

Step-by-step explanation:

Slope intercept form is y=mx+b

m is the slope which can be found using rise/run. In this case 4/1=4 so m=4

b is the y intercept which is the y value where the line passes through the X axis. This also can be found as the Y value where X=0 if that is easier for you. In this problem y=-9 where X=0. Therefore b=-9.

Plug these values back into the equation and you get the equation of the line in slope intercept form. For this line that is y=4x+(-9).

i believe it's a.

i'm not sure on this one, most likely correct.

answer

a) the midrange of the data set shown is 85.5

step by step explanation

let's find the midrange.

the midrange is nothing but add the greatest value and the least value, then divide it by 2.

here the greatest value = 99

the least value = 72

midrange = (99 + 72)/2

= 171/2

midrange = 85.5

you.